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Now, Boston police and Philadelphia police are engaged in a Twitter war as their hometown teams prepare to do battle in Sunday's Super Bowl.

Boston police got things started on Friday, tweeting out a picture of an eagle wood carving at Boston City Hall wearing a New England Patriots hat and scarf. Philly police immediately demanded the eagle's release, and that's when the digs started flying.

"We tried but he had nowhere to land...light poles too greasy," BPD quipped, a reference to the Crisco Philadelphia police used on the city's light poles two weeks ago to keep fans from climbing them after the NFC title game victory over the Minnesota Vikings.

Philly responded by giving Boston a hard time about the fact that the Patriots don't even play their games in the city, but 30 miles away in Foxboro.